Exercise device



FIG. 1 is a side view of an exercise device of the design according to the invention in a closed position;

FIG. 2 is a plan view from above of the exercise device of FIG. 1;

FIG. 3 is a plan view from above of the exercise device of FIG. 1 in an extended position;

FIG. 4 is an end view of the exercise device of FIG. 1;

FIG. 5 is a plan view from below of the exercise device of FIG. 1; and,

FIG. 6 is a side view of the other end of the exercise device of FIG. 1. 

The ornamental design for an exercise device, as shown. 